import axios from 'axios'
import { Message } from 'element-ui'
import store from '@/store'
import { getToken } from '@/utils/auth'
import router from '@/router'

// create an axios instance
const service = axios.create({
  baseURL: 'https://api-hmzs.itheima.net/tj',
  // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 5000 // request timeout
})
// 请求拦截器
// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent

    if (store.getters.token) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      config.headers.Authorization = `Bearer ${getToken()}`
    }
    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)
// 响应拦截器
// response interceptor
service.interceptors.response.use(
  /**
     * If you want to get http information such as headers or status
     * Please return  response => response
     */

  /**
     * Determine the request status by custom code
     * Here is just an example
     * You can also judge the status by HTTP Status Code
     */
  response => {
    if (response.data instanceof Blob) return response.data
    const { data, message, code } = response.data

    // if the custom code is not 20000, it is judged as an error.
    if (code === 10000) {
      return data
      // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
    } else {
      Message.error(message)
      store.dispatch('user/logout')
      router.push(`/login?redirect=${this.$route.fullPath}`)
      return Promise.reject(new Error(message))
    }
  },
  error => {
    console.log('err' + error) // for debug
    Message({
      message: error.message,
      type: 'error',
      duration: 5 * 1000
    })
    return Promise.reject(error)
  }
)

export default service
